| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,796 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,714 |
| Word Chain - South America | 0 | - | 4.51 | 23,879 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,658 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,531 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,116 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,453 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,996 |
| North America Map Quiz | 0 | - | 4.98 | 247,852 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,669 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,577 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,349 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,061 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,771 |
| Famous People from South America | 0 | - | 4.15 | 21,932 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,529 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,611 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,743 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,567 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,918 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,379 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,226 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,359 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,789 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,838 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,361 |
| States of Mexico | 0 | - | 4.95 | 175,628 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,701 |
| States of Brazil | 0 | - | 4.97 | 87,712 |
| Central American Countries | 0 | - | 4.98 | 155,925 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,996 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,208 |
| History of Mexico | 0 | - | 4.58 | 15,292 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,955 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,701 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,404 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,811 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,604 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,076 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,435 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,130 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,404 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,943 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,329 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,508 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,411 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,761 |
| Australian Capitals | 0 | - | 4.92 | 62,701 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,677 |
| Famous Caribbean People | 0 | - | 4.37 | 12,609 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,016 |
| Territories of the United States | 0 | - | 4.79 | 52,342 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,595 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,298 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,099 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,869 |
| New York City Geography | 0 | - | 4.42 | 33,065 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,532 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,025 |
| Official European Union Languages | 0 | - | 4.97 | 238,208 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,655 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,881 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,229 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,914 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,721 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,472 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,636 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,015 |
| Asia Map Quiz | 0 | - | 4.99 | 914,951 |
| Countries of Africa | 0 | - | 5.00 | 2,531,328 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,657 |
| African East Coast | 0 | - | 4.96 | 95,866 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,672 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,508 |
| Australia Map Quiz | 0 | - | 4.95 | 343,915 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,254 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,096 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,729 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,318 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,560 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,433 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,265 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,697 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,608 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,973 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,594 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,992 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,615 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,130 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,346 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,629 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,784 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,755 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,364 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,424 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,909 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,846 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,302 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,840 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,594 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,626 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,058 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,903 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,907 |
| The Only European Country ... | 0 | - | 4.91 | 216,095 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,835 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,770 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,709 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,579 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,901 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,621 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,722 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,432 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,052 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,124 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,247 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,756 |
| African Island Countries | 0 | - | 4.96 | 101,471 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,122 |
| Australian States and Territories | 0 | - | 4.96 | 141,728 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,240 |
| Australia True or False | 0 | - | 4.87 | 56,791 |
| Flags of North and South America | 0 | - | 4.99 | 372,156 |
| South American Physical Geography | 0 | - | 4.58 | 18,332 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,693 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,093 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,096 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,144 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,199 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,808 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,368 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,733 |
| Celtic Nations | 0 | - | 4.69 | 46,912 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,681 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,473 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,018 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,257 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,025 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,278 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,045 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,849 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,847 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,051 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,800 |
| Slavic Countries | 0 | - | 4.96 | 111,519 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,298 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,900 |
| Counties of England | 0 | - | 4.97 | 795,147 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,733 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,760 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,114 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,573 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,001 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,846 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,699 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,323 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,301 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,067 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,781 |
| Countries of the Middle East | 0 | - | 4.96 | 200,823 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,453 |
| States of India | 0 | - | 4.95 | 192,746 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,548 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,297 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,683 |
| The Only African Country ... | 0 | - | 4.99 | 128,976 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,073 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,701 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,729 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,034 |
| Flags of Oceania | 0 | - | 5.00 | 258,345 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,268 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,244 |
| Australia Country Quiz | 0 | - | 4.43 | 69,538 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,477 |
| Regions of New Zealand | 0 | - | 4.85 | 28,464 |
| The Only American Country ... | 0 | - | 4.92 | 121,436 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,970 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,012 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,228 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,103 |
| Which Island in the United States? | 0 | - | 4.29 | 29,444 |
| American Foods | 0 | - | 3.66 | 39,363 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,128 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,230 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,733 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,307 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,877 |
| Old West History | 0 | - | 4.33 | 15,260 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,517 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,917 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,708 |
| US States Quiz | 0 | - | 5.00 | 16,839,375 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,644 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,668 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,529 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,353 |
| US States with the Most Executions | 0 | - | 4.51 | 26,386 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,041 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,934 |
